#include<iostream>
#include<vector>
#include<stdio.h>
using namespace std;

int main()
{
  vector<int> v1;
  v1.resize(5);
  v1.push_back(1);
  v1.push_back(2);
  v1.push_back(3);
  v1.push_back(4);
  v1.push_back(5);
  for(auto e : v1)
  {
    cout<<e<<" ";
  }
  cout<<endl;

  return 0;
}
